User contributions for Roffaduft

11:0711:07, 20 December 2024 diff hist −17 Convergence of Fourier series →Absolute convergence: removed some redundant writing and editorializing. added "citation needed"
10:3110:31, 20 December 2024 diff hist −367 Convergence of Fourier series removed redundant writing in "norm convergence" subsection. removed a bit of puffery from the "Convergence almost everywhere" subsection
09:5609:56, 20 December 2024 diff hist +4 Fourier series →Convergence theorems: fixed hyperlink to "carleson's theorem" current
09:2309:23, 20 December 2024 diff hist +33 Hardy space added "See also" subsection. General clean up. current

11:1211:12, 19 December 2024 diff hist −74 Hardy space →On the unit circle: minor cosmetic fixes
10:5710:57, 19 December 2024 diff hist −6 Fourier coefficients fixed subsection current Tags: Redirect target changed Manual revert
10:5710:57, 19 December 2024 diff hist −31 Fourier series Undid revision 1263916913 by Roffaduft (talk) I just fixed the redirect to "fourier coefficients" instead Tag: Undo
10:5410:54, 19 December 2024 diff hist +31 m Fourier series →Definition: added anchor Tag: Reverted
10:1410:14, 19 December 2024 diff hist −2,343 Hardy space Restructured the subsections. Added a "Definition" heading and "real variable" and "complex variable" paragraphs. Removed a very ambiguous, unreferenced subsection of the caliber "An apple is not a pear, because.."
09:0909:09, 19 December 2024 diff hist +220 Hardy space Cleaned up the intro. Removed redundant phrasing. Added hyperlinks. Added inline citations.
07:4307:43, 19 December 2024 diff hist −184 Hardy space →Hardy spaces on the unit circle: fixed hyperlink and removed "clarification needed"
07:3907:39, 19 December 2024 diff hist +20 m Causal system →See also: added "causal filter" current
06:3506:35, 19 December 2024 diff hist +1 m Hardy space →Hardy spaces for the unit disk: punctuation
06:3406:34, 19 December 2024 diff hist +32 m Hardy space added inline citation
04:4104:41, 19 December 2024 diff hist −71 Fourier series Intrudocing needless ambiguity and deviating from the inline citation by Stade; If s_N is real, then the series can be written in amplitude phase form. Tag: Manual revert

10:1110:11, 15 December 2024 diff hist −518 Discrete Fourier transform removed redundant/semi-duplicate paragraph from the introduction current
09:3509:35, 15 December 2024 diff hist +14 Fourier series →Hilbert space interpretation: clarified some statements. added hyperlink
08:3908:39, 15 December 2024 diff hist 0 m Square-integrable function →Properties: moved complex conjugate "overline". current
08:1408:14, 15 December 2024 diff hist +238 Fourier series added reference + inline citation in "Hilbert space" subsection
07:5107:51, 15 December 2024 diff hist +70 m Fourier series →Definition: added hyperlink
07:5107:51, 15 December 2024 diff hist +171 Dirichlet–Jordan test fixed inline citation current
07:3607:36, 15 December 2024 diff hist −29 Convergence of Fourier series →Pointwise convergence: moved "see" to "see also" under the subsection heading
07:3107:31, 15 December 2024 diff hist +251 Dirichlet–Jordan test fixed minor error in definition; in line with Lion (1986). Added inline citations
07:1107:11, 15 December 2024 diff hist −14 Fourier series added inline citations
06:3206:32, 15 December 2024 diff hist +22 Fourier series →Definition: Gave a more accurate definition. Fixed minor sign error.

10:1710:17, 14 December 2024 diff hist −1,078 Fourier series Removed redundancies. Placed stuff in the right subsections
09:5609:56, 14 December 2024 diff hist −480 Fourier series Started moving "Amplitude-phase form" to its own subsection
07:2907:29, 14 December 2024 diff hist +330 Fourier series added reference to the definition. Together with Folland (1992) it forms a good basis on which the beginning of the Defintion subsection can be rewritten
06:5806:58, 14 December 2024 diff hist +147 m Fourier series →Symmetry relations: changed Oppenheim reference to a more recent, more accessible version
06:4706:47, 14 December 2024 diff hist −46 Fourier series minor cleanup of the "analysis" subsection
06:1306:13, 14 December 2024 diff hist +681 Talk:Fourier series →end: Reply Tag: Reply
06:0106:01, 14 December 2024 diff hist +727 Talk:Fourier series →end: Reply Tag: Reply

16:4516:45, 13 December 2024 diff hist +514 Talk:Fourier series →end: Reply Tag: Reply
14:3114:31, 13 December 2024 diff hist +1,115 Talk:Fourier series →end: Reply Tag: Reply
13:0413:04, 13 December 2024 diff hist +4 Fourier series Added “circle group” hyperlink Tags: Mobile edit Mobile web edit
08:5608:56, 13 December 2024 diff hist +38 m Fourier transform →Fourier–Stieltjes transform: added "see also"
08:3508:35, 13 December 2024 diff hist +52 m Nuclear space →Bochner–Minlos theorem: added "see also" current
08:3208:32, 13 December 2024 diff hist +25 m Kernel embedding of distributions →Universal kernels: minor clarification, in line with reference current

12:4612:46, 12 December 2024 diff hist +450 Talk:Fourier series →Symmetry relations: Reply Tag: Reply
12:1112:11, 12 December 2024 diff hist +739 Talk:Fourier series →Symmetry relations: new section Tag: New topic
11:2211:22, 12 December 2024 diff hist −147 m Fourier series Added proper reference
10:4110:41, 12 December 2024 diff hist +48 m Fourier series →Table of basic transformation rules: added "see also" to the heading
10:3110:31, 12 December 2024 diff hist −2,418 Fourier series →Properties: Removed "symmetry" subsection. Turns out it's a copy/paste from the Fourier Transform article. Also, it's a property of the Fourier transform (as mentionned in the reference), not specifically the Fourier Series Tag: Reverted
10:2910:29, 12 December 2024 diff hist +444 m Fourier transform →Symmetry: added reference
10:2510:25, 12 December 2024 diff hist −4 m Discrete Fourier transform fixed grammer
10:2310:23, 12 December 2024 diff hist +3 m Fast Fourier transform changed "fourier analysis" to "fourier transform" in the intro
10:1610:16, 12 December 2024 diff hist −2,026 Discrete-time Fourier transform Removed "introduction" subsection heading. Removed "symmetric properties" subsection: it's a copy/paste from the Fourier series article. current
09:2109:21, 12 December 2024 diff hist −118 Fourier series →Fourier theorem proving convergence of Fourier series: typo's, added hyperlink. fixed minor errors
08:4108:41, 12 December 2024 diff hist +18 m Fourier series →Derivative property
08:3708:37, 12 December 2024 diff hist −68 Fourier series →Derivative property: Condensed section.

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